Water Quality Report
Monticello, IL
5,641 residents · 2 water systems
0
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
1
Above legal limits
1
Above health guidelines
Monticello drinking water comes from groundwater wells. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply. PFAS testing has been conducted with no detections.
Limited monitoring data available
The water systems serving Monticello are small private systems (population served: 5,641) and are not part of Illinois EPA's main contaminant monitoring program. No detected contaminant data is available for these systems.
If you're researching the main municipal utility serving Monticello, search for your specific address below — the search returns the actual water system serving your residence, which may be different from what's listed here.
Frequently asked questions
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